134454206639 has 2 divisors, whose sum is σ = 134454206640. Its totient is φ = 134454206638.

The previous prime is 134454206617. The next prime is 134454206687. The reversal of 134454206639 is 936602454431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134454206639 - 2¹⁶ = 134454141103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134454206593 and 134454206602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134454206699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67227103319 + 67227103320.

It is an arithmetic number, because the mean of its divisors is an integer number (67227103320).

Almost surely, 2^134454206639 is an apocalyptic number.

134454206639 is a deficient number, since it is larger than the sum of its proper divisors (1).

134454206639 is an equidigital number, since it uses as much as digits as its factorization.

134454206639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 134454206639 in words is "one hundred thirty-four billion, four hundred fifty-four million, two hundred six thousand, six hundred thirty-nine".